Rudy Djamaluddin and  Yasser Bachtiar and  Rita Irmawati and  Abd. Madjid Akkas and  Rusdi Usman Latief,  Effect of the Truss System to the Flexural Behavior of the External Reinforced Concrete Beams.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 90(6). 691 - 695
    [viewed 23 May 2022]. Available from: https://publications.waset.org/pdf/9998484.